builtin/checkout: add --recurse-submodules switch

diff --git a/string-list.c b/string-list.c
index 2a32a3f1f5d250d7ea2a1b4a65998eeddb44962e..45016ad86dd5eb55534524cb50e30542e87fab70 100644 (file)
--- a/string-list.c
+++ b/string-list.c
@@ -211,32 +211,29 @@ struct string_list_item *string_list_append(struct string_list *list,
                        list->strdup_strings ? xstrdup(string) : (char *)string);
 }
 
-/* Yuck */
-static compare_strings_fn compare_for_qsort;
-
-/* Only call this from inside string_list_sort! */
-static int cmp_items(const void *a, const void *b)
+static int cmp_items(const void *a, const void *b, void *ctx)
 {
+       compare_strings_fn cmp = ctx;
        const struct string_list_item *one = a;
        const struct string_list_item *two = b;
-       return compare_for_qsort(one->string, two->string);
+       return cmp(one->string, two->string);
 }
 
 void string_list_sort(struct string_list *list)
 {
-       compare_for_qsort = list->cmp ? list->cmp : strcmp;
-       qsort(list->items, list->nr, sizeof(*list->items), cmp_items);
+       QSORT_S(list->items, list->nr, cmp_items,
+               list->cmp ? list->cmp : strcmp);
 }
 
 struct string_list_item *unsorted_string_list_lookup(struct string_list *list,
                                                     const char *string)
 {
-       int i;
+       struct string_list_item *item;
        compare_strings_fn cmp = list->cmp ? list->cmp : strcmp;
 
-       for (i = 0; i < list->nr; i++)
-               if (!cmp(string, list->items[i].string))
-                       return list->items + i;
+       for_each_string_list_item(item, list)
+               if (!cmp(string, item->string))
+                       return item;
        return NULL;
 }